How many atoms are there in 7.52 moles of Phosphorus?

Answer 1

Phosphorus exists in tetra-atomic state (P4)

so 1 molecule of Phosphorous has 4 atoms

so required no. of atoms = 7.52 X 6.023 X 1023 = 4.53 X 1024 atoms

Answer 2

There are 4.54 x 10^24 atoms in 7.52 moles of Phosphorus because 1 mole of Phosphorus contains 6.022 x 10^23 atoms. Multiplying this by the number of moles gives the total number of atoms in 7.52 moles.